Detention of Tycoon
Jars Russia Business

MOSCOW -- The detention of a powerful Russian oil billionaire by police this week has shaken a three-year truce between the state and big business that had helped create stability while igniting investment and economic growth.

Russian prosecutors said they were questioning Platon Lebedev, a big shareholder in oil giant OAO Yukos, on suspicion that he stole shares in a state-owned fertilizer plant in 1994. But many Russian businessmen...